By the end of each year, a certain credit card company pays a bonus to each of its customer based on the amount, up to $10,000, that he/she was charged throughout the year.

The person will get a bonus of 0.5% upto $1,000, so bonus received is (0.005)($1,000) = $5
Now, he/she will also receive 1% bonus on $3,000 - $1,000 = $2,000, so the bonus is (0.01)($2,000) = $20

Similarly the bonuses are;
(0.015)($6,000 - $3,000) = $45
(0.02)($10,000 - $6,000) = $80

Total bonus = $150

Col. A: $150
Col. B: $200

Hence, option B